D2I2.
common⚑ High burden in India

Refractive error (myopia)

Refractive error is a problem with focusing light accurately on the due to the shape of the eye and/or . The most common types of refractive error are near-sightedness, far-sightedness, astigmatism, and presbyopia. Near-sightedness results in far away objects being blurry, far-sightedness and presbyopia result in close objects being blurry, and astigmatism causes objects to appear stretched out or blurry. Other symptoms may include double vision, headaches, and eye strain.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Blurry vision, double vision, headaches, eye strain

Causes — why it happens

  • ·Eyeball length, problems with shape, aging of the lens

Treatment

  • ·Eyeglasses, contact lenses, refractive

Complications

  • ·Blindness, amblyopia
Plain-language summary adapted from Wikipedia. Not medical advice.